"My friend told me to go to this hot dog store -- there was a secret phone booth in the store. After we said how many people there were a secret door opened. I loved it," the 24-year-old British-born brunette stunner said.

Party Weekend in Review: Hamptons Edition

Niteside told Arterton she was talking about PDT, the secret speakeasy on St. Marks Place. The starlet also waxed nostalgic about her first visit to the city.

“The first time I came here I was 17 with my father, and he said I was destined to move here,” smiled Gemma. “I have a real love affair with it but I’m too close to London. It’s just got a cooler vibe than London.“

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In “The Disappearance of Alice Creed” two masked men seize a young woman (Arterton). They bind and gag her and take her to an abandoned, sound-proofed apartment. She is Alice Creed, daughter of a millionaire. Her kidnappers, the coldly efficient Vic and his younger accomplice Danny, have worked out a meticulous plan. But Alice is not going to play the perfect victim – she’s not giving in without a fight.

Gemma was joined at the posh Crosby Street Hotel by America Ferrara, Rosanna Scotto, Jill Martin, Molly Sims, Tara Subkoff, Erin Fetherston, Eric Villency, and more guests. Ferrera coming to support on the heels of her own “The Dry Land” premiere last night.

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The young actress also told us that it’s not much easier to deal with celebrity in England. “It can be quite harsh in London, with the paparazzi and the tabloids, but you get used to it.”

The overseas star expressed that dispite her English roots she looks to actors in the U.S. for inspiration. “My favorite living American actress is Julianne Moore. I mean some of the best actors in the world are from the United States.”